For instance, phones with rear buttons or sensors like the Huawei Honor 8 and LG V20 let you take a selfie by tapping the back of the phone; the Samsung Galaxy S7 lets you take one by hitting the volume down key.Rear cameras have gotten simpler, and much better, in recent years.Or read our Product Environmental Reports for detailed information on the environmental performance of every Apple product.

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Touchless Control is off Roaming tone is off Cloud printing is off HP Print Service Plugin is on Assist updated Motorola Contextual Services updated That was 4 days ago.

I used the camera just this morning and it was fine. I know that the app "Tiny Flashlight" updated today. I've cleared the camera data, performed a "wipe cache partition", turned my phone off several times, plus other tests.

This NFC connection does not rely on Wi-Fi, 3G, LTE or otherwise, and it doesn't cost anything to use. Just open NFC transmits or receives data via radio waves.

It's an established standard of wireless communication, so if devices stick to the NFC protocols they'll be able to communicate with each other.

It operates within a radius of about 4 cm and provides a wireless connection between your device and another.

This allows for two-way communication, with both devices involved being able to send and receive information.

It differs from Bluetooth in that it functions through electromagnetic induction.

This means there can be a passive device, such as a poster or sticker, requiring no power source of its own that can transmit data when an active device, like your smartphone, comes into contact with it.

NFC is both easy to understand and can be incredibly useful.

Here’s all you need to know about what NFC is and why you should use it. Essentially, it's a way for your phone to interact with something in close proximity.